Flanges Hastelloy C276 waxay ka samaysan yihiin nikkel-chromium-molybdenum alloy loo yaqaan Hastelloy. Halabuurka waxaa ka mid ah 50.99% nikkel, 14.5% chromium, 15% molybdenum iyo carbon, manganese, silicon, sulfur, cobalt, iron iyo fosfooraska. Flanges Hastelloy C276 waxay leeyihiin bar dhalaalaysa oo sarreeya 1370 darajo Celsius.